Having a box of old RaspberryPi computers kicking around I wanted to make sure they weren’t just languishing around doing nothing. One problem I’ve hit recently is that many devices have self-signed certificates installed, giving certificate errors I have to bypass every time I access them. Why not use an RaspberryPi to be my certificate…
OpenHab 2 – Home Automation
Something I’ve wanted to do for ages is setup some home automation. I grabbed myself a nice USB Z-Wave interface and a few devices and had a play with OpenHab2. At the time of writing OpenHab2 has some great bits and some really clunky bits. I decided to write this as a bit of a…
Rapid Image Manipulation and 3D on the Raspberry Pi
I wanted to be able to move images rapidly around the screen on the Raspberry Pi with Python, loading new images while the app was running as they became available. My initial attempts were a flop, I tried PyGame and various other methods. This either resulted in utter confusion for me, or failure to do anything…
Addressable Pixel LED Strips
With the advent of cheap RGB LED strips it was only a matter of time before they managed to integrate more intelligence in to the LEDs to make them addressable. They’re plummeting in price every day and they’re amazingly simple to control thanks to a great library available for the Raspberry Pi. The LED strip…
Peer-to-peer Name Resolution (mDNS)
When you don’t have a monitor and have plugged your Raspberry Pi in to a network – how do you know which IP address it got? This was a real problem for me with a plug-and-play use for the RaspberryPi that I’m working on. Without knowing anything about the network I’m on, how can I find…
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